Please solve it in details

Question 1. A total of 3 freshmen, 5 sophomores, 3 juniors, and 4 seniors are eligible for a $3000 dollar scholarship, a $2000 dollar scholarship, and a $1000 scholarship. The same student cannot get more than one scholarship, 1. How many distributions are possible if at least two scholarships go to seniors? 2. how many distributions of scholarships are possible if no two students from the same class can receive a scholarship